15. In what direction does the force of friction act on the sneaker?

A coroner examines a body to determine the time and cause of death. Which type of evidence is he detecting? A) trace evidence B) direct evidence C) latent evidence D) gross evidence

Under which condition would the trp operon be transcribed at the highest level? Group of answer choices a mutation in one of the structural genes in the operon a mutation in the promoter sequence low tryptophan concentration high tryptophan

Characteristics of phospholipids include all of the following except A. are major components of cell membranes, blood fluids, and body fluids B. the body can make them C. are components found in plants D. are components found in animals products

What force is needed to accelerate a 200 kg mass across a surface at 75.5 m/sec2? A force of 12.5 N is applied to a 10 kg mass. What is the acceleration of the mass?

What is the purpose of meiosis?

What organelle is believed to have once been a free living prokaryote that moved into our cells and became a permanent guest? Select one: a. mitochondria b. nucleus c. cytosol d. none of these

Which of the following BEST explains the importance of using periodization over time? Group of answer choices making things complicated to rehabilitate an injured joint or muscle making your program less boring continuous adaptation and preventing

Cells of the nervous system, including the brain, rely less on blood sugar (glucose) for energy than do other body cells.

What does the word endometriosis mean?

Which of the following is least likely to form at a convergent boundary? a mountain b trench c volcano d earthquake